Yieryi EC Meter Digital Water PH Meter Filter Automatic calibration Tester for Measuring Features: Test temperature in degrees / Fahrenheit(switchable unit). Use to measure the pH & EC & TEMP of solution. ... Διαβάστε περισσότερα
Yieryi TDS Meter Water Quality PH Tester for Aquarium Water alloy probe Stick Monitoring Yieryi digital LCD TDS Meter Water Quality PH TDS Tester for Aquarium Pool Water quality TDS-1 Water Quality Meter TDS1- ... Διαβάστε περισσότερα
Yieryi TDS Meter Water Quality PH Tester for Aquarium Water alloy probe Stick Monitoring TDS-1 Water Quality Meter TDS1- Water Quality Meter is ideal for all basic water testing applications. Test the purity of ... Διαβάστε περισσότερα
YIERYI TDS Meter Water Measurement Tool TDS / EC Tester 0-4999ppm Temperature Tester TDS02 pen can simultaneously detect liquid TDS value, water measuring probe is made of titanium alloy materials, the biggest ... Διαβάστε περισσότερα
EC -963 Digital EC Meter Tester Conductivity Water Quality Measurement Tool Features Compact and pocket-sized design Easy to use and provides a quick measurement High accuracy with ± 2% full scale accuracy Data ... Διαβάστε περισσότερα
YIERYI CT-3060 Type TDS Meter Water Quality Analysis Meter 0-1000 PPM for Aquarium Pool Feature LCD with indicates both tds&temp pen type digital tds meter,all in one,tds electrode inclueded,eary to use water ... Διαβάστε περισσότερα
YIERYI TDS Meter CT-3060 tds meter tset pen Water Quality Analysis Meter swimming pool Feature LCD with indicates both tds&temp pen type digital tds meter,all in one,tds electrode inclueded,eary to use water ... Διαβάστε περισσότερα
YIERYI LCD Digital TDS-966 Meter Filter Measuring Water Quality Purity Tester tds meter Features Compact and pocket-sized design Easy to use and provides a quick measurement High accuracy with ± 2% full scale ... Διαβάστε περισσότερα